Use the frequency table below to answer the following question(s).
An outlier of a data set is defined as any data point more than 1.5 times the interquartile range above the third quartile or below the first quartile. The number of outliers in this data set is
A. 5.
B. 10.
C. 0.
D. 20.
E. none of these
Answer: D
Mathematics
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Solve.Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 4 hours. How long will it take them to do the job if they work together?
A. 
hr
B. 
hr
C. 12 hr
D. 4 hr
Mathematics
Find the opposite of the polynomial.-21x3 + x2 - 16
A. -16x3 + x2 - 21 B. 21x3 + x2 + 16 C. 21x3 - x2 + 16 D. 21x3 - x2 - 16
Mathematics
Write the decimal in numbers.One hundred and two tenths
A. 102.0 B. 10.2 C. 0.102 D. 100.2
Mathematics
Solve the problem.Find out how long it takes a $3300 investment to double if it is invested at 
compounded quarterly. Round to the nearest tenth of a year. Use the formula 
.
A. 10 yr B. 10.4 yr C. 9.8 yr D. 10.2 yr
Mathematics